Home / 8,531.14-12,798.69-2,687.59

Finding the Fourth Proportional to 8,531.14, 12,798.69 and 2,687.59

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Solution

The fourth proportional to 8,531.14, 12,798.69 and 2,687.59 is: 4,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.14 : 12,798.69 = 2,687.59 : x
  2. Step 2: Convert to fraction form
    8,531.14/12,798.69 = 2,687.59/x
  3. Step 3: Cross multiply
    8,531.14x = 12,798.69 × 2,687.59
  4. Step 4: Simplify right side
    8,531.14x = 34,397,631.26
  5. Step 5: Solve for x
    x = 34,397,631.26/8,531.14
  6. Step 6: Final answer
    x = 4,032.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.